Secondary Pollution Numerical Analysis of the Flow Channeling in the Extrance of Zhongliangshan Tunnel

doi:10.3969/j.issn.1674-0696.2011.02.10

Journal of Chongqing Jiaotong University(Natural Science) ›› 2011, Vol. 30 ›› Issue (2): 225-228.DOI: 10.3969/j.issn.1674-0696.2011.02.10

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Secondary Pollution Numerical Analysis of the Flow Channeling in the Extrance of Zhongliangshan Tunnel

YU Kuai¹, LIU Hong¹, WANG Xiaowen², CHEN Jianzhong³

1.School of Civil Engineering&Architecture, Chongqing Jiaotong University, Chongqing 400074, China;2.School of Traffic Engineering, Chongqing Jiaotong University, Chongqing 400074, China; 3.Ch inaM erchants Chongqing Communications Resea rch& Design Institute Co., L td., Chongqing 400067, China

Received:2011-01-10 Revised:2011-01-24 Online:2011-04-15 Published:2015-03-12

中梁山隧道洞口窜流二次污染数值分析

余快¹，刘宏¹，王晓雯²，陈建忠³

1.重庆交通大学土木建筑学院，重庆400074; 2.重庆交通大学交通运输学院，重庆400074; 3.招商局重庆交通科研设计院有限公司，重庆400067

作者简介:余快(1985 — )，男，重庆丰都人，硕士研究生，主要从事公路隧道通风方面的研究。E-mail:30324403@qq.com。

Abstract

Abstract: Secondary pollution caused by inhalation of polluted air at the exit of the tunnel deter iorates the environment of the adjacent tunne.l Based on the k-threed imensional turbulence model and multicomponent diffusion transport equation, the spread of gas at the extrance of Zhongliangshan Tunnel was simulated by the Fluent software; the influence degree on another tunnel entrance was analyzed as well. Finally, applying forests instead of retaining wall to reducing secondary pollution was proposed.

Key words: FLUENT Software, flow channeling, secondary pollution, retaining wall

摘要： 隧道出口污染空气窜流易被相邻的隧道进口吸入形成二次污染,恶化相邻隧道内的运营环境。以k-方程三维紊流模型及多组分扩散传输方程为物理计算模型,采用FLUENT流体计算软件模拟了中梁山隧道在不同自然风条件下洞口废气的扩散情况,得出该隧道对另一隧道入口的影响程度。提出了以树林替代挡壁来减少二次污染的建议

关键词: FLUENT软件, 窜流, 二次污染, 挡壁

CLC Number:

U457

YU Kuai, LIU Hong, WANG Xiaowen, CHEN Jianzhong. Secondary Pollution Numerical Analysis of the Flow Channeling in the Extrance of Zhongliangshan Tunnel[J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(2): 225-228.

余快，刘宏，王晓雯，陈建忠. 中梁山隧道洞口窜流二次污染数值分析[J]. 重庆交通大学学报（自然科学版）, 2011, 30(2): 225-228.

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Secondary Pollution Numerical Analysis of the Flow Channeling in the Extrance of Zhongliangshan Tunnel

中梁山隧道洞口窜流二次污染数值分析

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